/* ============================================
   SYNEVRA - Main Stylesheet
   Premium Skincare Landing Page
   Theme: Navy Blue & Golden Yellow
   ============================================ */

/* CSS Variables */
:root {
    --primary-navy: #1e3a5f;
    --primary-dark: #152a45;
    --accent-gold: #d4a439;
    --accent-gold-hover: #c49432;
    --text-dark: #000000;
    --text-gray: #555555;
    --text-light: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-navy-gradient: linear-gradient(135deg, #1e3a5f 0%, #2d4a6f 100%);
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 20px rgba(0,0,0,0.15);
    --shadow-heavy: 0 8px 30px rgba(0,0,0,0.2);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary-navy);
}

h1 {
    font-size: 46px;
}

h2 {
    font-size: 36px;
}

h3 {
    font-size: 28px;
}

p {
    font-size: 18px;
    color: var(--text-dark);
    line-height: 1.8;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-lg {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--text-dark);
}

.btn-primary:hover {
    background-color: var(--accent-gold-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background-color: var(--primary-navy);
    color: var(--text-light);
}

.btn-secondary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-navy);
    color: var(--primary-navy);
}

.btn-outline:hover {
    background-color: var(--primary-navy);
    color: var(--text-light);
}

.btn-white {
    background-color: var(--bg-white);
    color: var(--primary-navy);
}

.btn-white:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-text {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-navy);
    letter-spacing: 2px;
}

.logo-subtext {
    font-size: 12px;
    font-weight: 500;
    color: var(--primary-navy);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-navy);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.header-cta .btn {
    padding: 12px 24px;
    font-size: 14px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-navy);
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 48px;
    margin-bottom: 30px;
    color: var(--primary-navy);
}

.hero-title span {
    color: var(--accent-gold);
}

.hero-features {
    margin-bottom: 40px;
}

.hero-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 18px;
}

.hero-feature .icon {
    color: var(--accent-gold);
    font-weight: 700;
    font-size: 20px;
}

.hero-feature strong {
    color: var(--primary-navy);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    max-width: 550px;
    margin: 0 auto;
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* ============================================
   DIFFERENCE SECTION
   ============================================ */
.difference-section {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    margin-bottom: 20px;
}

.section-title span {
    color: var(--accent-gold);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

.difference-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.difference-card {
    text-align: center;
    padding: 40px 30px;
    background-color: var(--bg-light);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.difference-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-medium);
}

.difference-card img {
    width: 100%;
    max-width: 280px;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin: 0 auto 25px;
}

.difference-card h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

.difference-card p {
    font-size: 16px;
    color: var(--text-gray);
}

/* Quality Trust Box */
.quality-trust {
    margin-top: 60px;
    padding: 40px;
    background: var(--bg-navy-gradient);
    border-radius: var(--border-radius-lg);
    color: var(--text-light);
}

.quality-trust h3 {
    color: var(--text-light);
    margin-bottom: 25px;
    text-align: center;
}

.trust-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.trust-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
}

.trust-feature .icon {
    color: var(--accent-gold);
    font-size: 20px;
    font-weight: 700;
}

/* ============================================
   INGREDIENTS SECTION
   ============================================ */
.ingredients-section {
    padding: 100px 0;
    background: var(--bg-navy-gradient);
    color: var(--text-light);
}

.ingredients-section .section-title {
    color: var(--text-light);
}

.ingredients-wrapper {
    margin-top: 60px;
}

.ingredient-category {
    margin-bottom: 60px;
}

.ingredient-category-header {
    text-align: center;
    margin-bottom: 40px;
}

.ingredient-category-header img {
    max-width: 300px;
    margin: 0 auto 20px;
}

.ingredient-category-header h3 {
    color: var(--text-light);
    font-size: 28px;
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.ingredient-card {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.ingredient-card:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.15);
}

.ingredient-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    background: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ingredient-icon img {
    width: 80%;
    height: 80%;
    object-fit: cover;
}

.ingredient-card h4 {
    color: var(--accent-gold);
    font-size: 16px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ingredient-card p {
    color: rgba(255,255,255,0.9);
    font-size: 14px;
    line-height: 1.6;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials-section {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.testimonials-header {
    text-align: center;
    margin-bottom: 60px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.testimonial-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 20px;
    border: 3px solid var(--accent-gold);
}

.testimonial-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.testimonial-content {
    text-align: center;
}

.testimonial-text {
    font-size: 16px;
    font-style: italic;
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.7;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-navy);
    margin-bottom: 5px;
}

.testimonial-location {
    font-size: 14px;
    color: var(--text-gray);
}

.testimonial-stars {
    color: var(--accent-gold);
    font-size: 18px;
    margin-top: 15px;
}

.testimonial-disclaimer {
    text-align: center;
    margin-top: 40px;
    font-size: 13px;
    color: var(--text-gray);
    font-style: italic;
}

/* ============================================
   BONUS SECTION
   ============================================ */
.bonus-section {
    padding: 100px 0;
    background: var(--bg-navy-gradient);
    color: var(--text-light);
}

.bonus-header {
    text-align: center;
    margin-bottom: 60px;
}

.bonus-header h2 {
    color: var(--text-light);
    margin-bottom: 10px;
}

.bonus-value {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--text-light);
}

.bonus-header p {
    color: var(--text-light);
    font-size: 20px;
}

.bonus-value .price {
    color: #4CAF50;
    font-weight: 700;
}

.bonus-value .free {
    color: #4CAF50;
    font-weight: 700;
}

.bonus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.bonus-card {
    display: flex;
    align-items: center;
    gap: 30px;
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
}

.bonus-image {
    flex-shrink: 0;
    max-width: 200px;
}

.bonus-image img {
    width: 100%;
    border-radius: var(--border-radius);
}

.bonus-content h3 {
    color: var(--text-light);
    margin-bottom: 15px;
}

.bonus-price {
    display: inline-block;
    background: #4CAF50;
    color: var(--text-light);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.bonus-price span {
    text-decoration: line-through;
    opacity: 0.8;
    margin-right: 10px;
}

.bonus-content p {
    color: rgba(255,255,255,0.9);
    font-size: 15px;
    margin-bottom: 15px;
}

.bonus-note {
    font-size: 13px;
    color: rgba(255,255,255,0.7);
    font-style: italic;
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing-section {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
}

.pricing-card {
    background-color: var(--bg-white);
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.pricing-card.featured {
    border-color: var(--accent-gold);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-gold);
    color: var(--text-dark);
    padding: 8px 25px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.pricing-badge.best {
    background-color: #4CAF50;
    color: var(--text-light);
}

.pricing-title {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--primary-navy);
}

.pricing-subtitle {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 25px;
}

.pricing-image {
    max-width: 200px;
    margin: 0 auto 25px;
}

.pricing-image img {
    width: 100%;
}

.pricing-details {
    margin-bottom: 20px;
}

.pricing-item {
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-gray);
}

.pricing-item strong {
    color: var(--primary-navy);
}

.pricing-savings {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    display: inline-block;
}

.pricing-total {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-navy);
    margin-bottom: 20px;
}

.pricing-shipping {
    font-size: 13px;
    color: var(--text-gray);
    margin-top: 15px;
}

.pricing-shipping.free {
    color: #4CAF50;
    font-weight: 600;
}

/* ============================================
   GUARANTEE SECTION
   ============================================ */
.guarantee-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.guarantee-box {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 50px;
    background-color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
}

.guarantee-badge {
    width: 120px;
    height: 120px;
    background: var(--bg-navy-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: var(--text-light);
}

.guarantee-badge-inner {
    text-align: center;
}

.guarantee-badge-inner .days {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
}

.guarantee-badge-inner .text {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.guarantee-box h2 {
    margin-bottom: 20px;
}

.guarantee-box p {
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #e0e0e0;
    padding: 25px 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    gap: 20px;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 600;
}

.faq-toggle {
    font-size: 24px;
    color: var(--accent-gold);
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-answer {
    padding-top: 20px;
    color: var(--text-gray);
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: 100px 0;
    background: var(--bg-navy-gradient);
    color: var(--text-light);
    text-align: center;
}

.cta-section h2 {
    color: var(--text-light);
    margin-bottom: 20px;
}

.cta-section p {
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta-image {
    max-width: 500px;
    margin: 0 auto 40px;
}

.cta-image img {
    width: 100%;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: #0d1f33;
    color: var(--text-light);
    padding: 60px 0 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo .logo-text {
    color: var(--text-light);
}

.footer-logo .logo-subtext {
    color: rgba(255,255,255,0.7);
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-link {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--accent-gold);
}

.footer-disclaimer {
    padding: 40px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-disclaimer p {
    font-size: 12px;
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
    margin-bottom: 15px;
}

.footer-bottom {
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-copyright {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

.buygoods-logo {
    max-width: 120px;
    opacity: 0.7;
}

/* ============================================
   FLOATING CTA BUTTON
   ============================================ */
.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100px);
    transition: all 0.4s ease;
}

.floating-cta.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.floating-cta .btn {
    padding: 18px 35px;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(212, 164, 57, 0.4);
    animation: floatPulse 2s infinite ease-in-out;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.floating-cta .btn:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 35px rgba(212, 164, 57, 0.6);
}

@keyframes floatPulse {
    0%, 100% { 
        box-shadow: 0 8px 25px rgba(212, 164, 57, 0.4);
        transform: translateY(0);
    }
    50% { 
        box-shadow: 0 15px 40px rgba(212, 164, 57, 0.6);
        transform: translateY(-5px);
    }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(212, 164, 57, 0.7); }
    50% { box-shadow: 0 0 0 15px rgba(212, 164, 57, 0); }
}

/* ============================================
   PURCHASE NOTIFICATION POPUP
   ============================================ */
.notification-popup {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-heavy);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 320px;
    transform: translateX(-150%);
    transition: transform 0.5s ease;
    z-index: 998;
}

.notification-popup.show {
    transform: translateX(0);
}

.notification-icon {
    width: 50px;
    height: 50px;
    background: #e8f5e9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4CAF50;
    font-size: 24px;
    flex-shrink: 0;
}

.notification-content {
    flex: 1;
}

.notification-name {
    font-weight: 600;
    color: var(--primary-navy);
    font-size: 14px;
}

.notification-action {
    font-size: 13px;
    color: var(--text-gray);
}

.notification-time {
    font-size: 12px;
    color: #999;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    h1 { font-size: 40px; }
    h2 { font-size: 32px; }
    h3 { font-size: 24px; }
    
    .hero-inner {
        gap: 40px;
    }
    
    .difference-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        gap: 20px;
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
}

@media (max-width: 768px) {
    html { font-size: 15px; }
    
    h1 { font-size: 30px; }
    h2 { font-size: 24px; }
    h3 { font-size: 20px; }
    p { font-size: 16.5px; }
    
    .header {
        display: none;
    }
    
    .hero {
        padding: 40px 0 60px;
        min-height: auto;
    }
    
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-feature {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-image img {
        max-width: 350px;
    }
    
    .difference-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-features {
        grid-template-columns: 1fr;
    }
    
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .bonus-grid {
        grid-template-columns: 1fr;
    }
    
    .bonus-card {
        flex-direction: column;
        text-align: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        order: -1;
    }
    
    .footer-top {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .floating-cta {
        bottom: 20px;
        right: 20px;
        left: auto;
    }
    
    .floating-cta .btn {
        padding: 15px 25px;
        font-size: 14px;
    }
    
    .notification-popup {
        left: 10px;
        right: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .ingredients-grid {
        grid-template-columns: 1fr;
    }
    
    .guarantee-box {
        padding: 30px 20px;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }
.hidden { display: none; }
.visible { display: block; }

/* Smooth Scroll Target Offset */
section[id] {
    scroll-margin-top: 100px;
}

/* Selection Color */
::selection {
    background-color: var(--accent-gold);
    color: var(--text-dark);
}

/* Focus States for Accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--accent-gold);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .floating-cta,
    .notification-popup {
        display: none !important;
    }
}